Estimation of pH and MLSS using Neural Network

Nur Sakinah Ahmad Yasmin, Muhammad Sani Gaya, Norhaliza Abdul Wahab, Yahaya Md Sam

Abstract


The main challenges to achieving a reliable model which can predict well the process are the nonlinearities associated with many biological and biochemical processes in the system. Artificial intelligent approaches revolved as better alternative in predicting the system. Typical measured variables for effluent quality of wastewater treatment plant are pH, and mixed liquor suspended solids (MLSS). This paper presents an adaptive neuro-fuzzy inference system (ANFIS) and feed-forward neural network (FFNN) modeling applied to the domestic plant of the Bunus regional sewage treatment plant. ANFIS and feed- forward neural network techniques as nonlinear function approximators have demonstrated the capability of predicting nonlinear behaviour of the system. The data for the period of two years and nine months sampled weekly (140 week samples) were collected and used for this study. Simulation studies showed that the prediction capability of the ANFIS model is somehow better than that of the FFNN model. The ANFIS model may serves as a valuable prediction tool for the plant.


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DOI: http://dx.doi.org/10.12928/telkomnika.v15i2.6144

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TELKOMNIKA Telecommunication, Computing, Electronics and Control
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